/* ===============================
   LIGHT THEME – READABLE EDITION
   =============================== */

:root {
  --phupa-bg: #f5f7fa;            /* พื้นหลังสว่าง อ่านง่าย */
  --phupa-card: #ffffff;          /* กล่องเนื้อเรื่องขาว */
  --phupa-border: #d8dee9;        /* ขอบอ่อนๆ */
  --phupa-accent: #2563eb;        /* น้ำเงินอ่อน */
  --phupa-accent-soft: rgba(37, 99, 235, 0.08);
  --phupa-muted: #6b7280;         /* เทาอ่านง่าย */
  --phupa-text: #1f2937;          /* ตัวหนังสือเข้ม */
  --phupa-radius: 1.5rem;
  --phupa-shadow: 0 8px 22px rgba(0, 0, 0, 0.05);
}

/* Body */

body.phupa-episode-page {
  margin: 0;
  background: var(--phupa-bg);
  font-family: system-ui, -apple-system, "Sarabun", sans-serif;
  color: var(--phupa-text);
}

/* Page shell */

.phupa-episode-shell {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 16px 48px;
}

/* Main card */

.phupa-episode-card {
  background: var(--phupa-card);
  border-radius: 1.5rem;
  border: 1px solid var(--phupa-border);
  box-shadow: var(--phupa-shadow);
  padding: 32px 24px 48px;
}

/* Back link */

.phupa-back-link {
  display: inline-flex;
  gap: 6px;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--phupa-muted);
  padding: 6px 12px;
  background: #ffffff;
  border: 1px solid var(--phupa-border);
  border-radius: 999px;
}

.phupa-back-link:hover {
  color: var(--phupa-text);
  border-color: var(--phupa-accent);
  background: var(--phupa-accent-soft);
}

/* Episode header */

.phupa-episode-title {
  font-size: clamp(1.8rem, 2vw + 1rem, 2.2rem);
  margin: 0 0 0.5rem;
  color: var(--phupa-text);
}

.phupa-episode-tagline {
  font-size: 1rem;
  color: var(--phupa-muted);
}

/* Meta info */

.phupa-meta-pill {
  display: inline-flex;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--phupa-border);
  color: var(--phupa-text);
  background: #f9fafb;
}

.phupa-dot {
  color: var(--phupa-muted);
}

/* ทำเมนู chapter ให้ sticky */
.phupa-chapter-nav {
  position: sticky;
  top: 0;                     /* ติดขอบบนของ viewport */
  z-index: 20;

  margin-top: 22px;
  margin-bottom: 16px;

  padding: 10px 14px;
  background: #f9fafb;        /* ให้มีพื้นหลังทึบ เวลาเลื่อนจะไม่ทับตัวหนังสือ */
  border: 1px solid var(--phupa-border);
  border-radius: 999px;

  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
}

/* ให้ตอนเลื่อนลงไปก็ยังอ่านง่ายเหมือนเดิม */
.phupa-chapter-label {
  flex: 0 0 auto;
  font-size: 0.85rem;
  color: var(--phupa-muted);
}

.phupa-chapter-links {
  display: inline-flex;
  gap: 6px;
}

.phupa-chapter-link {
  flex: 0 0 auto;
  padding: 4px 10px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.85rem;
  color: var(--phupa-muted);
  background: #ffffff;
  border: 1px solid var(--phupa-border);
}

.phupa-chapter-link:hover {
  background: var(--phupa-accent-soft);
  color: var(--phupa-text);
}

.phupa-chapter-link {
  padding: 4px 10px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.85rem;
  color: var(--phupa-muted);
  background: #ffffff;
  border: 1px solid var(--phupa-border);
}

.phupa-chapter-link:hover {
  background: var(--phupa-accent-soft);
  color: var(--phupa-text);
}
/* ---- Episode footer nav ---- */
.phupa-episode-footer {
  margin-top: 3rem;
  display: flex;
  justify-content: space-between; /* ดันปุ่มไปซ้ายสุด–ขวาสุด */
  gap: 1rem;
  flex-wrap: wrap;               /* มือถือจะลงมาเรียงสองบรรทัดได้ */
}

.phupa-episode-navbtn {
  flex: 1 1 220px;               /* กว้างเท่า ๆ กัน / ยืดได้ */
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
  transition: transform 0.15s ease, box-shadow 0.15s ease,
              background 0.15s ease, border-color 0.15s ease;
}


.phupa-episode-navbtn span:first-child {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.7;
  margin-bottom: 0.15rem;
}


.phupa-episode-navbtn span:last-child {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
}

.phupa-episode-navbtn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.12);
  border-color: rgba(59, 130, 246, 0.35);
  background: #ffffff;
}
/* ===============================
   EPISODE HEADER – ENHANCED STYLE
   =============================== */

.phupa-episode-header {
  padding: 2.2rem 1.6rem 2.4rem;
  margin: -0.5rem -0.5rem 1.8rem;
  border-radius: 1.6rem;
  background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 60%);
  border: 1px solid rgba(37, 99, 235, 0.10);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.04);
  position: relative;
}

/* Accent bar on the left */
.phupa-episode-header::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12%;
  bottom: 12%;
  width: 6px;
  border-radius: 6px;
  background: var(--phupa-accent);
  opacity: 0.25;
}

/* EP label (e.g., EP.6 · วูบแรกในชีวิต) */
.phupa-episode-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--phupa-accent);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

/* Main Episode Title */
.phupa-episode-title {
  font-size: clamp(2.0rem, 2.6vw + 1rem, 2.6rem);
  font-weight: 700;
  line-height: 1.28;
  margin: 0.2rem 0 0.8rem;
  color: var(--phupa-text);
}

/* Tagline under the title */
.phupa-episode-tagline {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--phupa-muted);
  max-width: 85%;
}

/* Meta row (หมอภูผา – ER & Autonomic · vasovagal...) */
.phupa-episode-meta {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--phupa-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.phupa-meta-pill {
  border-color: rgba(37, 99, 235, 0.18);
  background: rgba(37, 99, 235, 0.05);
}


/* Quot*